﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.DirectoryServices;

/// <summary>
/// MyMemberShipProvider 的摘要描述
/// </summary>
public class MyMemberShipProvider : MembershipProvider
{
	public MyMemberShipProvider()
	{
		//
		// TODO: 在此加入建構函式的程式碼
		//
	}

    public override string ApplicationName
    {
        get
        {
            throw new NotImplementedException();
        }
        set
        {
            throw new NotImplementedException();
        }
    }

    public override bool ChangePassword(string username, string oldPassword, string newPassword)
    {
        throw new NotImplementedException();
    }

    public override bool ChangePasswordQuestionAndAnswer(string username, string password, string newPasswordQuestion, string newPasswordAnswer)
    {
        throw new NotImplementedException();
    }

    public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status)
    {
        throw new NotImplementedException();
    }

    public override bool DeleteUser(string username, bool deleteAllRelatedData)
    {
        throw new NotImplementedException();
    }

    public override bool EnablePasswordReset
    {
        get { throw new NotImplementedException(); }
    }

    public override bool EnablePasswordRetrieval
    {
        get { throw new NotImplementedException(); }
    }

    public override MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords)
    {
        throw new NotImplementedException();
    }

    public override MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords)
    {
        throw new NotImplementedException();
    }

    public override MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords)
    {
        throw new NotImplementedException();
    }

    public override int GetNumberOfUsersOnline()
    {
        throw new NotImplementedException();
    }

    public override string GetPassword(string username, string answer)
    {
        throw new NotImplementedException();
    }

    public override MembershipUser GetUser(string username, bool userIsOnline)
    {

        throw new NotImplementedException();
    }

    public override MembershipUser GetUser(object providerUserKey, bool userIsOnline)
    {
        throw new NotImplementedException();
    }

    public override string GetUserNameByEmail(string email)
    {
        throw new NotImplementedException();
    }

    public override int MaxInvalidPasswordAttempts
    {
        get { throw new NotImplementedException(); }
    }

    public override int MinRequiredNonAlphanumericCharacters
    {
        get { throw new NotImplementedException(); }
    }

    public override int MinRequiredPasswordLength
    {
        get { throw new NotImplementedException(); }
    }

    public override int PasswordAttemptWindow
    {
        get { throw new NotImplementedException(); }
    }

    public override MembershipPasswordFormat PasswordFormat
    {
        get { throw new NotImplementedException(); }
    }

    public override string PasswordStrengthRegularExpression
    {
        get { throw new NotImplementedException(); }
    }

    public override bool RequiresQuestionAndAnswer
    {
        get { throw new NotImplementedException(); }
    }

    public override bool RequiresUniqueEmail
    {
        get { throw new NotImplementedException(); }
    }

    public override string ResetPassword(string username, string answer)
    {
        throw new NotImplementedException();
    }

    public override bool UnlockUser(string userName)
    {
        throw new NotImplementedException();
    }

    public override void UpdateUser(MembershipUser user)
    {
        throw new NotImplementedException();
    }

    public override bool ValidateUser(string username, string password)
    {
        var db = new DB();

        var result = db.Execute("SELECT EmpID FROM EmpData WHERE (NTAccount = @NTAccount) "
                        , new DBParameter("NTAccount", username), new DBParameter("Password", password));

        if (result.Rows.Count == 0)
        {
            return false;
        }

        // Path to you LDAP directory server.
        // Contact your network administrator to obtain a valid path.
        string _path =
          "LDAP://10.0.1.10:389/cn=Users,dc=creasys,dc=local";

        string domainAndUsername = "creasys" + @"\" + username;
        DirectoryEntry entry = new DirectoryEntry(_path,
                                                   domainAndUsername,
                                                     password);

      try
      {
        //Bind to the native AdsObject to force authentication.
        object obj = entry.NativeObject;

        DirectorySearcher search = new DirectorySearcher(entry);

        search.Filter = "(SAMAccountName=" + username + ")";
        search.PropertiesToLoad.Add("cn");
        SearchResult ADresult = search.FindOne();

        if (null == ADresult)
        {
          return false;
        }
      }
      catch (Exception ex)
      {
          return false;
        throw new Exception("Error authenticating user. " + ex.Message);
      }

      return true;
    }
}